93% of Plumbing Company Websites Have No Plumber Schema Markup

    93.4% of plumbing company websites don't use Plumber schema, the code that tells Google a site belongs to a plumber, even though plumbing websites handle the other SEO basics better than most: 30.5% miss a basic element on their homepage, against a 37.9% average across 15 industries.

    Plumbing companies by check
    Fail at least one basic check
    30.5%
    No H1 heading
    18.3%
    No meta description
    20.5%
    Title too long
    18.6%
    No XML sitemap
    15%
    Page not indexable
    14.2%
    No title tag
    2.4%
    Not on HTTPS
    2.7%
    No schema markup
    26.5%

    Source: Suff Digital analysis of 586 plumbing company websites · US plumbing company Google Business Profiles and their websites, September 2026

    Websites failing a basic SEO check by industry
    Accounting
    53.1%
    Manufacturing
    48.5%
    Restaurant
    46.2%
    Real estate
    45.4%
    Financial advisor
    44.8%
    Law firm
    39.8%
    SaaS
    38.2%
    Hotel
    38.1%
    Medical practice
    36.3%
    Auto dealer
    32%
    Insurance
    31.5%
    Plumbing
    30.5%
    Dental
    30.2%
    Roofing
    28.1%
    HVAC
    26%

    Source: Suff Digital analysis of 586 plumbing company websites · US plumbing company Google Business Profiles and their websites, September 2026

    Source: 93% of Plumbing Company Websites Have No Plumber Schema Markup - Suff Digital